---
title: Lifecycle Force Module
---

### Lifecycle Force Module

ForceOverLifetime inherits from `ParticleGeneratorModule` and is used to apply acceleration effects to particles, typically for simulating 3D force fields such as wind.

<Image src="https://mdn.alipayobjects.com/huamei_aftkdx/afts/img/A*UsPoQp-ZJGwAAAAAQLAAAAgAeteEAQ/fmt.webp" alt="ForceOverLifetime" />

## Properties

| Property                                                    | Description                                                                                         |
| ------------------------------------------------------------ | --------------------------------------------------------------------------------------------------- |
| [space](/apis/core/#ParticleSimulationSpace)  | Select the space for force changes, which can be world space or local space                      |
| forceX | [ParticleCompositeCurve](/apis/core/#ParticleCompositeCurve) object representing the x-axis force of particles over their lifetime |
| forceY | [ParticleCompositeCurve](/apis/core/#ParticleCompositeCurve) object representing the y-axis force of particles over their lifetime |
| forceZ | [ParticleCompositeCurve](/apis/core/#ParticleCompositeCurve) object representing the z-axis force of particles over their lifetime |

